GarnetSyntheticTraffic.hh revision 12129
1720SN/A/* 21762SN/A * Copyright (c) 2016 Georgia Institute of Technology 3720SN/A * All rights reserved. 4720SN/A * 5720SN/A * Redistribution and use in source and binary forms, with or without 6720SN/A * modification, are permitted provided that the following conditions are 7720SN/A * met: redistributions of source code must retain the above copyright 8720SN/A * notice, this list of conditions and the following disclaimer; 9720SN/A * redistributions in binary form must reproduce the above copyright 10720SN/A * notice, this list of conditions and the following disclaimer in the 11720SN/A * documentation and/or other materials provided with the distribution; 12720SN/A * neither the name of the copyright holders nor the names of its 13720SN/A * contributors may be used to endorse or promote products derived from 14720SN/A * this software without specific prior written permission. 15720SN/A * 16720SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17720SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18720SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19720SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20720SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21720SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22720SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23720SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24720SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25720SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26720SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Tushar Krishna 292665Ssaidi@eecs.umich.edu */ 30720SN/A 31720SN/A#ifndef __CPU_GARNET_SYNTHETIC_TRAFFIC_HH__ 323566Sgblack@eecs.umich.edu#define __CPU_GARNET_SYNTHETIC_TRAFFIC_HH__ 337693SAli.Saidi@ARM.com 343549Sgblack@eecs.umich.edu#include <set> 356658Snate@binkert.org 362683Sktlim@umich.edu#include "base/statistics.hh" 372518SN/A#include "mem/mem_object.hh" 38720SN/A#include "mem/port.hh" 392107SN/A#include "params/GarnetSyntheticTraffic.hh" 402107SN/A#include "sim/eventq.hh" 41720SN/A#include "sim/sim_exit.hh" 422680Sktlim@umich.edu#include "sim/sim_object.hh" 43720SN/A#include "sim/stats.hh" 447693SAli.Saidi@ARM.com 457693SAli.Saidi@ARM.comenum TrafficType {BIT_COMPLEMENT_ = 0, 46720SN/A BIT_REVERSE_ = 1, 477693SAli.Saidi@ARM.com BIT_ROTATION_ = 2, 487693SAli.Saidi@ARM.com NEIGHBOR_ = 3, 49720SN/A SHUFFLE_ = 4, 50 TORNADO_ = 5, 51 TRANSPOSE_ = 6, 52 UNIFORM_RANDOM_ = 7, 53 NUM_TRAFFIC_PATTERNS_}; 54 55class Packet; 56class GarnetSyntheticTraffic : public MemObject 57{ 58 public: 59 typedef GarnetSyntheticTrafficParams Params; 60 GarnetSyntheticTraffic(const Params *p); 61 62 virtual void init(); 63 64 // main simulation loop (one cycle) 65 void tick(); 66 67 virtual BaseMasterPort &getMasterPort(const std::string &if_name, 68 PortID idx = InvalidPortID); 69 70 /** 71 * Print state of address in memory system via PrintReq (for 72 * debugging). 73 */ 74 void printAddr(Addr a); 75 76 protected: 77 EventFunctionWrapper tickEvent; 78 79 class CpuPort : public MasterPort 80 { 81 GarnetSyntheticTraffic *tester; 82 83 public: 84 85 CpuPort(const std::string &_name, GarnetSyntheticTraffic *_tester) 86 : MasterPort(_name, _tester), tester(_tester) 87 { } 88 89 protected: 90 91 virtual bool recvTimingResp(PacketPtr pkt); 92 93 virtual void recvReqRetry(); 94 }; 95 96 CpuPort cachePort; 97 98 class GarnetSyntheticTrafficSenderState : public Packet::SenderState 99 { 100 public: 101 /** Constructor. */ 102 GarnetSyntheticTrafficSenderState(uint8_t *_data) 103 : data(_data) 104 { } 105 106 // Hold onto data pointer 107 uint8_t *data; 108 }; 109 110 PacketPtr retryPkt; 111 unsigned size; 112 int id; 113 114 std::map<std::string, TrafficType> trafficStringToEnum; 115 116 unsigned blockSizeBits; 117 118 Tick noResponseCycles; 119 120 int numDestinations; 121 Tick simCycles; 122 int numPacketsMax; 123 int numPacketsSent; 124 int singleSender; 125 int singleDest; 126 127 std::string trafficType; // string 128 TrafficType traffic; // enum from string 129 double injRate; 130 int injVnet; 131 int precision; 132 133 const Cycles responseLimit; 134 135 MasterID masterId; 136 137 void completeRequest(PacketPtr pkt); 138 139 void generatePkt(); 140 void sendPkt(PacketPtr pkt); 141 void initTrafficType(); 142 143 void doRetry(); 144 145 friend class MemCompleteEvent; 146}; 147 148#endif // __CPU_GARNET_SYNTHETIC_TRAFFIC_HH__ 149